Research Article
Valorisation of Pine Cone as an Efficient Biosorbent for the Removal of Pb(II), Cd(II), Cu(II), and Cr(VI)
Table 2
Comparison of the adsorption capacity of milled pine cone for Pb(II), Cu(II), Cd(II), and Cr(VI) with the other biosorbents.
| | Biosorbents | Metals | Particle size | pH | Concentration (mg L-1) | Dose (g L-1) | (mg g-1) | References |
| | Custard apple | Cd(II)
Pb(II) | — | 5
5 | 50-200
5-200 | 1.5
1.5 | 71
90.93 | Isaac and Sivakumar [13] | | Ulva lactuca | Cr(VI) | ≤0.063 mm | 1 | 5-50 | 2 | 10.61 | El-Sikaily et al. [48] | | Olive stone | Cu(II) | <0.250-1 mm | 5 | 10-300 | 10 | 1.97 | Blázquez et al. [40] | | Pine bark | Cu(II) | — | 5 | 10-300 | 10 | 11.94 | | | Maize husk | Cu(II) | 1.8 mm | 6 | — | — | 1.21 | Duru et al. [9] | | Pine sawdust | Pb(II)
Cu(II) | 0.6-1.2 mm | 5
7 | 1-50
1-50 | 10
10 | 13.48
9.59 | Semerjian [49] | | Rice husk | Cd(II) | <0.125 mm | — | — | — | 5.54 | Jabbar et al. [12] | | Pine cone | Cd(II) | — | 7 | 20-200 | 2 | 14.7 | Izanloo and Nasseri [50] | | Pine cone | Cr(VI) | — | 1 | 10-120 | 2 | 65.36 | Najim and Yasin [37] | | Pine cone | Cu(II)
Pb(II) | — | 5
7 | 50-250
50-250 | 3
3 | 18.69
23.2 | Değirmen et al. [46] | | Pine cone | Cu(II)
Pb(II) | 4-8 mm | 5
5 | 5-100
5-100 | 10
10 | 6.52
17.41 | Martín-Lara et al. [29] | | Pine cone (P. resinosa) | Cu(II)
Pb(II) | <0.15 mm | 5
5 | 10-300
10-300 | 10
10 | 9.68
17.24 | Awad and Erkurt [51] | | Olive stone | Pb(II)
Cu(II)
Cd(II)
Cr(VI) | — | 6
6
6
2 | 1-10
1-10
1-10
1-10 | 5
5
5
10 | 0.581
0.557
0.3
2.345 | Amar et al. [44] | | Pine cone | Pb(II)
Cu(II)
Cd(II)
Cr(VI) | | 5.4
5.4
5.4
2 | 1-500
1-500
1-500
1-500 | 2
2
2
2 | 95
33.55
50
68.03 | Present study |
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